diff options
Diffstat (limited to 'target/linux/generic/backport-5.4/723-v5.5-net-sfp-handle-module-remove-outside-state-machine.patch')
-rw-r--r-- | target/linux/generic/backport-5.4/723-v5.5-net-sfp-handle-module-remove-outside-state-machine.patch | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/target/linux/generic/backport-5.4/723-v5.5-net-sfp-handle-module-remove-outside-state-machine.patch b/target/linux/generic/backport-5.4/723-v5.5-net-sfp-handle-module-remove-outside-state-machine.patch deleted file mode 100644 index 62cdb8a6ce..0000000000 --- a/target/linux/generic/backport-5.4/723-v5.5-net-sfp-handle-module-remove-outside-state-machine.patch +++ /dev/null @@ -1,53 +0,0 @@ -From d2591ea5520e2ee8fa557f96bb64c23cafac4b20 Mon Sep 17 00:00:00 2001 -From: Russell King <rmk+kernel@armlinux.org.uk> -Date: Tue, 15 Oct 2019 10:33:13 +0100 -Subject: [PATCH 621/660] net: sfp: handle module remove outside state machine - -Removing a module resets the module state machine back to its initial -state. Rather than explicitly handling this in every state, handle it -early on outside of the state machine. - -Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> ---- - drivers/net/phy/sfp.c | 16 +++++++++------- - 1 file changed, 9 insertions(+), 7 deletions(-) - ---- a/drivers/net/phy/sfp.c -+++ b/drivers/net/phy/sfp.c -@@ -1565,6 +1565,14 @@ static void sfp_sm_device(struct sfp *sf - */ - static void sfp_sm_module(struct sfp *sfp, unsigned int event) - { -+ /* Handle remove event globally, it resets this state machine */ -+ if (event == SFP_E_REMOVE) { -+ if (sfp->sm_mod_state > SFP_MOD_PROBE) -+ sfp_sm_mod_remove(sfp); -+ sfp_sm_mod_next(sfp, SFP_MOD_EMPTY, 0); -+ return; -+ } -+ - switch (sfp->sm_mod_state) { - default: - if (event == SFP_E_INSERT && sfp->attached) { -@@ -1574,9 +1582,7 @@ static void sfp_sm_module(struct sfp *sf - break; - - case SFP_MOD_PROBE: -- if (event == SFP_E_REMOVE) { -- sfp_sm_mod_next(sfp, SFP_MOD_EMPTY, 0); -- } else if (event == SFP_E_TIMEOUT) { -+ if (event == SFP_E_TIMEOUT) { - int val = sfp_sm_mod_probe(sfp); - - if (val == 0) -@@ -1598,10 +1604,6 @@ static void sfp_sm_module(struct sfp *sf - /* fallthrough */ - case SFP_MOD_PRESENT: - case SFP_MOD_ERROR: -- if (event == SFP_E_REMOVE) { -- sfp_sm_mod_remove(sfp); -- sfp_sm_mod_next(sfp, SFP_MOD_EMPTY, 0); -- } - break; - } - } |